XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2×28 Thread M-LOK Stainless Steel Bird Cage

XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2×28 Thread M-LOK Stainless Steel Bird Cage. 5in 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These XTS complete uppers do not include the Bolt Carrier Group. Specifications for XTS USA Edition AR-15 7.5in .223/5.56 Complete Upper w/o BCG w/ Ce Rail: Manufacturer: XTS Caliber: .223 Remington Overall Length: 16.5 in Barrel Length: 7.5 in Barrel Profile: SOCOM Gas System Length: Pistol Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2×28 Muzzle Device: A2 Flash Hider Finish: Nitride Color: Black Gun Model: AR-15 Fabric/Material: Stainless Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 7 in Handguard Style: Round Rail Gun Rail: M-LOK Gun Make: AR Platform Barrel Material: 4150 Chrome Moly Vanadium Bolt Carrier Group Included: No Charging Handle Included: MIL-SPEC Weight: 15.1 oz Magazine Included: No Mount Type: M-LOK Country of Origin: USA Package Contents: XTS USA Edition AR-15 7.5in .223/5.56 Complete Upper w/o BCG w/ Ce Rail Anchor Harvey Upper Receiver 5.56 NATO Barrel XTS Charging Handle XTS Stainless Steel Forward Assist XTS American Flag Ejection Port Cover XTS CE7 M-LOK 7in RAIL Stainless Steel Gas Block Stainless Steel Gas Tube Bird Cage Muzzle Brake What firearm models does the manufacturer say XTS USA Edition AR-15 7.5in .223/5.56 Complete Upper w/o BCG w/ Ce Rail is compatible with? The manufacturer suggests that XTS USA Edition AR-15 7.5in .223/5.56 Complete Upper w/o BCG w/ Ce Rail is compatible with AR-15XTS XTS-CU-7US: Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 16.5in 7.5in Barrel Pistol Length 1-7 Twist 1/2×28 Thread M-LOK Handguard Stainless Steel Bird Cage Black Nitride Finish Black